Gunnar Dalen - a Technical Innovator . Gustaf Dalén’s eldest son Gunnar, born in 1905, graduated from the Royal Institute of Technology in Stockholm 1929. After a year with ASEA he joined AGA-Baltic and became its head in 1933. Together with a group of engineers of his age, he successfully developed the radio operations. After Gustaf Dalén’s death in 1937, Gunnar Dalén transferred to the parent company where he was in charge of the German-speaking part of the international market, including Eastern Europe where AGA had a considerable part of its operations at that time. Gunnar Dalén became AGA's president in 1950, a position which he held for 17 years. Under his leadership the electronics group developed, the medical group underwent strong development and the subsidiaries increased both in number and size. In addition to his leadership of the AGA Group, Gunnar Dalén also found time to sit on the boards of banks and insurance companies and to be chairman of a number of industrial companies. As chairman of the Association of Swedish Inventors 1950-65 he made a powerful contribution to the development of Swedish technology during that time. In the period following his resignation as president until his death in 1970, Gunnar Dalén continued to work as a technical consultant and member of AGA's board.